We ______ the difficulty together, but why didn't you tell me?

A．should face

B．might face

C．could have faced

D．must have faced

女性，46岁，血性白带半年就诊，检查见 * * 左穹隆消失，宫颈重度糜烂，子宫正常大，右侧附件浸润未达盆壁。宫颈活检为鳞状细胞癌。

本例的临床分期应为（）

A．ⅠB期 

B．ⅡA期 

C．ⅡB期 

D．ⅢA期 

E．ⅢB期